Rebar chair base



FIG. 1 is a top view of the rebar chair base showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line portions in FIGS. 4, 5 and 6 form no part of the claimed design.

The claimed design is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a rebar chair base, as shown and described. 